Parameters associated with sexual precocity of Nellore heifers in integrated systems
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DOI: 10.1007/s10457-021-00702-x
Abstract: This study evaluated how integrated crop–livestock–forestry systems affected the expression of sexual traits in Nellore heifers. The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were… read more here.
Keywords: parameters associated; sexual precocity; associated sexual; systems parameters ... See more keywords
Genome-wide scan highlights the role of candidate genes on phenotypic plasticity for age at first calving in Nellore heifers
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DOI: 10.1038/s41598-020-63516-4
Abstract: Age at first calving (AFC) plays an important role in the economic efficiency of beef cattle production. This trait can be affected by a combination of genetic and environmental factors, leading to physiological changes in… read more here.
Keywords: age first; genomic regions; first calving; role ... See more keywords
Follicular Dynamics and Pregnancy Rate in Nellore Heifers Submitted to Fixed-Time Artificial Insemination Protocols (FTAI)
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DOI: 10.3390/vetsci9080377
Abstract: Simple Summary Reproductive biotechnologies are important strategies to enforce the production of genetically superior animals. The fixed-time artificial insemination is widely used in Brazil and it is especially important in farms located in remote areas,… read more here.
Keywords: nellore heifers; time; pregnancy rate; rate ... See more keywords